1. Select a liner lens or lens to make template firstly, fix the suction disc in the central position of liner lens or lens, then install them to the chuck device and clamp to ready for making a template.

2. Put the template to the position of placing template (as shown) and fix it by a screw.

3. Turn on the switch and put down the machine head slowly, keep the template in the central position of miller.

4. Lift the machine head upward after the template rotates for a circle, carefully take down the template finished, and then trim the burr on the edge of template with the miller.